Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 1 4 8 2 1 4 8 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is less than normal speed. zero. normal speed. more than normal speed. less than normal speed. zero. normal speed. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 980 Watt. 1920 Watt. 1800 Watt. 1960 Watt. 980 Watt. 1920 Watt. 1800 Watt. 1960 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 0 1 finite value infinite value 0 1 finite value infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf in a dc machine is 1. stationary with respect to field poles 2. stationary with respect to armature 3. rotating with respect to field poles 4. rotating with respect to armature From these, the correct answer is 1, 3 2, 3 2, 4 1, 4 1, 3 2, 3 2, 4 1, 4 ANSWER DOWNLOAD EXAMIANS APP
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